WO2019172126A1

WO2019172126A1 - Vehicle body structure of vehicle

Info

Publication number: WO2019172126A1
Application number: PCT/JP2019/008129
Authority: WO
Inventors: 佐藤　健一; 福田　真祝; 修一中髪; 晃寛川野
Original assignee: マツダ株式会社
Priority date: 2018-03-06
Filing date: 2019-03-01
Publication date: 2019-09-12
Also published as: US20210086837A1; EP3712044B1; EP3712044A1; CN110228532B; JP6540845B1; CN110228532A; JP2019151287A; US11192591B2; EP3712044A4

Abstract

A vehicle body structure of a rear portion of a vehicle in which a first rear vehicle width direction annular vehicle body framework (RWC1) is configured extending across a rear end (7) in the width direction of the vehicle in a vehicle body rear portion (1R) from the vicinity of a left and right pair of damper supporting portions (54), which are provided in rear wheel houses (52) installed further toward the rear of a vehicle than vehicle side door openings (Es) and which support suspension dampers (55), is provided with linking members (33) linking front-rear direction annular vehicle body frameworks (SLC) having a substantially annular shape in the front-rear direction of the vehicle and the first rear vehicle width direction annular vehicle body framework (RWC1).

Description

Vehicle body structure

The technology disclosed herein relates to a vehicle body structure for forming a vehicle body skeleton that is substantially annular in the vehicle width direction in the vicinity of a damper support portion of a rear suspension.

For example, as described in Patent Document 1, a vehicle body skeleton that is substantially annular in the vehicle width direction from the vicinity of the damper support portion of the left and right rear suspensions to the rear end of the floor cross member, the wheel house reinforcement, and the rear end cross. By forming, the support rigidity of the damper support part in the rear suspension can be improved.

In addition, although a substantially annular body frame is also formed at the periphery of the side door opening and connected to the above-described body frame that is substantially annular in the vehicle width direction, the suspension support rigidity can be improved throughout the entire vehicle body. The damper support portion in the rear suspension is separated from the substantially annular vehicle body skeleton formed on the periphery of the side door opening. For this reason, it has been difficult to improve the suspension support rigidity of the entire vehicle body.

JP 2006-193047 A

The technology disclosed herein has been made in view of such problems, and an object thereof is to provide a vehicle body structure that can improve the suspension rigidity of the entire vehicle body.

The technology disclosed herein is arranged for a vehicle body structure of a vehicle, a first vehicle body skeleton that is substantially annular in the vehicle front-rear direction at the periphery of the side door opening of the vehicle, and a vehicle rear side of the vehicle side door opening. A second vehicle body skeleton that is substantially annular in the vehicle width direction, the first vehicle body skeleton extending from the upper left of the hinge pillar to the rear of the vehicle, and a pair of left and right hinge pillars disposed at the front of the vehicle A pair of left and right front pillars, a pair of left and right roof side rails extending rearward from the upper end of the front pillar, a pair of left and right side pillars disposed along the rear end of the side door opening, and the side pillars A pair of left and right side sills connecting the lower end and the lower end of the hinge pillar in the longitudinal direction of the vehicle, and the second vehicle body skeleton includes a pair of left and right roof side rails. A rear end cross connecting the lower ends of a pair of left and right rear pillars extending rearward and downward from the vehicle end in the vehicle width direction, a pair of left and right rear wheel houses provided with a damper support portion for supporting a suspension damper, and the rear end A pair of left and right connecting gussets that connect the cross and the upper part of the rear wheel house in the vehicle front-rear direction, a pair of left and right rear wheel houses provided with the damper support portion on the upper side, and the rear wheel house. And a pair of left and right wheel house reinforcements whose front end is joined to the rear end of the side pillar at a position in front of the damper support part and a lower end of the wheel house reinforcement. A floor cross member connected in the vehicle width direction, and a vehicle part is attached; Comprising a connecting member for connecting the front end of the serial side pillars and said wheel house reinforcement, has a structure that.

This configuration can improve suspension support rigidity throughout the vehicle body.

More specifically, a pair of left and right hinge pillars disposed at the front of the vehicle, a pair of left and right front pillars extending from the upper end of the hinge pillar to the rear of the vehicle, a pair of left and right roof side rails, and the side door opening A vehicle body skeleton that is substantially annular in the vehicle front-rear direction by a pair of left and right side pillars disposed along the rear end, a lower end of the side pillar, and a pair of left and right side sills that connect the lower end of the hinge pillar in the vehicle front-rear direction A rear end cross that connects the lower ends of a pair of left and right rear pillars extending rearward and downward from the rear ends of the pair of left and right roof side rails in the vehicle width direction, and the rear end cross and an upper portion of the rear wheel house. And a pair of left and right connecting gussets that connect the front and rear sides of the vehicle, And a pair of left and right wheels disposed along the rear wheel house and positioned at the front of the vehicle relative to the damper support portion and having an upper end front portion joined to a rear end of the side pillar. The house reinforcement and the floor cross member that connects the lower ends of the wheel house reinforcement in the vehicle width direction constitute a vehicle body skeleton that is substantially annular in the vehicle width direction.

In addition, a vehicle component is attached to the front end of the side pillar that constitutes the vehicle body skeleton that is substantially annular in the vehicle longitudinal direction and the wheel house reinforcement that constitutes the vehicle body skeleton that is substantially annular in the vehicle width direction. Since they are connected by the connecting member, a vehicle body skeleton that is substantially annular in multiple directions with respect to the vehicle is formed, and the suspension support rigidity can be improved throughout the vehicle body. Therefore, the force input by the front suspension and the rear suspension can be transmitted without delay, and the ride comfort of the occupant can be improved.

In addition, by using a member for mounting the vehicle parts as the connecting member for connecting the substantially annular vehicle body skeletons, an increase in the number of parts can be suppressed and an increase in weight can be prevented.

Further, since the joint portion between the side pillar and the wheel house rain can be reinforced by the connecting member, the side pillar and the wheel house rain can be connected with higher rigidity.

Furthermore, even when the side pillar lower end and the damper support portion are separated from each other, while ensuring both the rigidity of the rear end edge of the side door opening and the support rigidity of the damper support portion, A side pillar and the wheel house rain can be connected.

The substantially annular body skeleton may be any shape as long as it is configured to be able to transmit a dynamically acting load, and may be composed of a plurality of members. It may be substantially annular. Further, the member constituting the substantially annular vehicle body skeleton may be a member configured with a closed cross section, or a member configured with an open cross section as long as it can be mechanically evaluated as a structural member. Good. In addition, when it is an open member, it is further better to construct a closed cross-section in combination with other members.

In the vehicle body structure of the vehicle, a portion of the connecting member on the wheel house reinforcement side may be connected to a front portion of the damper support portion.

With this configuration, a vehicle member front-rear direction is configured to directly connect the pair of left and right rear wheel houses, which constitute the vehicle body skeleton that is substantially annular in the vehicle width direction, with the damper support portion provided on the upper portion, and the connecting member. It is possible to improve the connection rigidity between the vehicle body skeleton that is substantially annular and the vehicle body skeleton that is substantially annular in the vehicle width direction.

Further, even when the distance between the damper support portion and the side pillar reinforcement is large, the connecting member that connects the wheel house reinforcement and the front end of the side pillar reinforcement provides the damper support portion. A vehicle body skeleton that is substantially annular in the longitudinal direction of the vehicle body and a vehicle body that is substantially annular in the vehicle width direction using a connecting member for attaching a part of the wheel house reinforcement and vehicle parts while ensuring rigidity. The skeleton can be linked.

Further, in the vehicle body structure of the vehicle, the connecting member may be constituted by a striker mounting bracket for mounting a striker to which a seat back latch is fitted.

With this configuration, the striker mounting bracket to which the seat back latch is fitted functions as the connecting member, and the striker mounting bracket is used to make the vehicle body skeleton substantially annular in the vehicle longitudinal direction and substantially annular in the vehicle width direction. The connection rigidity with the vehicle body skeleton can be improved.

Further, in the vehicle body structure of the vehicle, a reinforcing plate to which a vehicle component is attached is provided on a side of the damper support portion in a side panel inner constituting the side pillar with a side pillar reinforcement, and the reinforcing plate is The rear pillar extending rearward from the rear end of the roof side rail may be connected to the rear end of the upper end portion of the wheel house reinforcement.

With this configuration, the reinforcing plate provided on the side panel inner side of the damper support portion is connected to the rear end of the upper end portion of the wheel house reinforcement, and the upper end of the reinforcing plate is connected to the rear pillar. Therefore, it is possible to improve the connection rigidity between the vehicle body skeleton that is substantially annular in the vehicle body longitudinal direction and the vehicle body skeleton that is substantially annular in the vehicle width direction by using the reinforcing plate to which the second vehicle component is attached. .

Further, in the vehicle body structure of the vehicle provided with the reinforcing plate, the reinforcing plate may be constituted by a mounting plate for attaching a seat belt retractor.

With this configuration, the mounting plate of the seat belt retractor functions as the reinforcing plate, and the mounting plate is used to form a vehicle body skeleton that is substantially annular in the vehicle longitudinal direction and a vehicle body skeleton that is substantially annular in the vehicle width direction. Connection rigidity can be improved.

Also, in the vehicle body structure of the vehicle provided with the mounting plate, a mounting bracket for mounting the mounting plate and the side pillar reinforcement may be provided.

With this configuration, it is possible to improve the connection rigidity between the vehicle body skeleton that is substantially annular in the vehicle longitudinal direction and the vehicle body skeleton that is substantially annular in the vehicle width direction by using the mounting bracket to which the seat belt retractor is attached.

Further, in the vehicle body structure of the vehicle, the damper support portion may be configured by a thick portion that extends to the wheel house reinforcement and is thicker than the others.

With this configuration, the connecting gusset that forms a substantially annular vehicle body skeleton in the vehicle width direction connects the rear end cross and the thick portion of the rear wheel house in the vehicle front-rear direction. A skeleton can be constructed.

Further, even when the damper support portion provided in the rear wheel house is separated from the wheel house reinforcement, it is thicker than the others and extends to the wheel house reinforcement. By the portion, it is possible to suppress a decrease in support rigidity.

Further, in the vehicle body structure of the vehicle, a rear header, a side pillar reinforcement disposed at a rear end portion of the side door opening, the wheel house reinforcement, and a floor cross member in the vicinity of the damper support portion of the left and right rear suspensions. A third vehicle body skeleton that is substantially annular in the vehicle width direction may be configured.

With this configuration, the vehicle body skeleton formed in the vehicle width direction from the vicinity of the damper support portions of the left and right rear suspensions to the rear end and the vehicle around the vicinity of the damper support portions of the left and right rear suspensions. A vehicle body skeleton that is substantially annular in the width direction can be connected using the side pillar reinforcement. Therefore, the support rigidity of the damper support part of the rear suspension at the rear part of the vehicle body can be further improved, and the support rigidity of the suspension can be improved throughout the vehicle body.

According to the technology disclosed herein, the suspension support rigidity can be improved in the entire vehicle body.

The perspective view seen from the front of the vehicle body structure of vehicles of this embodiment. The perspective sectional view showing the important section of the body structure of the rear vehicle of this embodiment. The side view from the inside which shows the principal part of the vehicle body structure of the rear vehicle of this embodiment. The enlarged side view from the inside which shows the principal part of the vehicle body structure of the rear vehicle of this embodiment. The front view cut | disconnected along the AA line cut surface in FIG. The expansion perspective view from the inside which shows the principal part of the vehicle body structure of the rear vehicle of this embodiment. The enlarged side view from the inside which shows the principal part of the vehicle body structure of the rear vehicle of this embodiment. The perspective view seen from the front of the vehicle body structure of the front vehicle of this embodiment. FIG. 4 is an end view of one side in the vehicle width direction, cut along the line AA in FIG. 3. The front view cut | disconnected along the BB cut surface in FIG. FIG. 5 is an end view taken along the line CC in FIG. 4. FIG. 5 is an end view taken along the line DD in FIG. 4. FIG. 5 is an end view taken along the line EE in FIG. 4. FIG. 5 is an end view taken along the line FF in FIG. 4. FIG. 5 is an end view taken along the line GG in FIG. 4. FIG. 5 is an end view taken along the line HH in FIG. 4.

Hereinafter, exemplary embodiments will be described in detail with reference to the drawings.

Since the vehicle body structure of the rear vehicle in this embodiment is symmetrical, only the left side of the vehicle body is shown in FIGS. 3 to 7, 9, and 11 to 16. Also, the mounting bracket 35 is not shown in FIG.

In the figure, arrows Fr and Rr indicate the front-rear direction, arrow Fr indicates the front, and arrow Rr indicates the rear. Furthermore, arrows Rh and Lh indicate the width direction, arrow Rh indicates the right direction, and arrow Lh indicates the left direction. In addition, the arrow IN indicates the inner side in the vehicle width direction, and the arrow OUT indicates the outer side in the vehicle width direction.

The rear vehicle body structure of this embodiment has a so-called rear opening Er that is covered by a lift gate (not shown) in a vehicle body rear portion 1R of the vehicle body 1 provided with a cargo compartment 3 behind the vehicle compartment 2 so as to be opened and closed. It is a hatchback type vehicle. In the vehicle body 1, the rear side of the center pillar 43, which will be described later, is a vehicle body rear part 1 R, and the front side of the center pillar 43 is a vehicle body front part 1 F.

More specifically, as shown in FIGS. 1 to 3, the vehicle body rear portion 1R of the present embodiment has a floor panel 21 on the floor surface of the passenger compartment 2, and the floor panel 21 has a center portion in the vehicle width direction. A tunnel portion 22 (floor tunnel) that protrudes inward of the passenger compartment 2 and extends in the front-rear direction of the vehicle is integrally or integrally formed.

As shown in FIGS. 3 and 10, the rear end portion of the floor panel 21 is a load extending substantially horizontally behind the vehicle and in the vehicle width direction via a floor rear side cross member 23 (see FIG. 2) that rises in a vertical wall shape. It is connected to the room floor 31.

As a result, as shown in FIGS. 2 and 3, the passenger compartment 2 is located in the passenger space in which seats (seat cushions, seat backs) (not shown) are disposed on the floor panel 21, and in the rear of the passenger space. A space in the cargo compartment 3 having a cargo compartment floor portion 31 formed at a level higher than the panel 21 at the bottom is provided in communication with each other in the vehicle front-rear direction.

As shown in FIGS. 2, 3, and 5, the floor rear cross member 23 rises to a position higher than the height of the upper surface of the tunnel portion 22 and is joined to the tunnel portion 22 at an intermediate position in the vehicle width direction. ing. The floor rear cross member 23 bridges the rear ends of left and right side sills 46, which will be described later.

As shown in FIGS. 2 and 5, side sills 46 are joined and fixed to both outer ends of the floor panel 21 in the vehicle width direction. As shown in FIG. 5, the side sill 46 is a vehicle body rigid member having a closed cross-sectional space 46s extending in the vehicle front-rear direction by joining and fixing an inner panel 46a and an outer panel 46b having a hat-shaped cross section.

As shown in FIGS. 1, 2, and 5, the vehicle roof portion 9 includes a pair of left and right roof side rails 91 that extend in the vehicle front-rear direction at both vehicle body side portions, and a rear side portion of the roof side rail 91. A rear header 92 extending in the vehicle width direction, a roof cross member 93 extending in the vehicle width direction at an intermediate portion in the front-rear direction of the roof portion 9, and a front header 94 extending in the vehicle width direction at the front side portion of the roof side rail 91; The roof panel 95 is configured to cover the ceiling portion of the passenger compartment 2.

As shown in FIG. 9, the roof side rail 91 has a closed cross section that extends in the vehicle front-rear direction by welding and fixing a roof side rail outer panel 91a, a roof reinforcement 91b, and a roof side rail inner panel 91c. It is a vehicle body rigid member in which a space 91s is formed.

As described above, the roof panel 95 is disposed so that the region surrounded by the pair of left and right roof side rails 91, the front header 94, and the rear header 92 extends in the vehicle front-rear direction and the vehicle width direction in the upper part of the vehicle. Yes. The roof panel 95 is a steel plate panel member. Both the front header 94 and the rear header 92 form a substantially closed sectional space structure with the roof panel 95 disposed above, and constitute a vehicle body rigid member extending in the vehicle width direction at the front and rear portions of the roof panel 95, respectively. ing.

Further, as shown in FIG. 4, the rear header 92 disposed at the rear portion of the roof panel 95 is integrally formed with the gutter portion 96 to form a closed cross-sectional space 92s extending in the vehicle width direction.

As shown in FIGS. 1 to 5, a rear opening Er is formed behind the rear header 92. A pair of left and right rear pillars extending rearward and downward from the rear end of the roof side rail 91 (the portion corresponding to the connecting portion with both ends of the rear header 92 in the vehicle width direction) are provided at the opening edges of the left and right sides of the rear opening Er. 41 is provided.

As shown in FIG. 11, the rear pillar 41 is a vehicle body rigid member that constitutes a rear pillar closed section space 41s by joining and fixing a rear pillar outer 41a and a rear pillar inner 41b.

As shown in FIGS. 3 and 10, the lower edge of the pair of left and right rear pillars 41 extending rearward and downward from the rear end of the roof side rail 91 is provided at the opening edge of the rear opening Er formed at the rear of the rear header 92. A rear end cross 71 extending in the vehicle width direction is provided to connect the two.

More specifically, the rear end cross 71 includes a rear end 7 that extends upward from the rear end of the cargo compartment floor portion 31 with the rear end panel 72 at the rear of the cargo compartment 3. The rear end panel 72 is a panel member that extends upward from the rear end of the cargo compartment floor portion 31. The rear end panel 72 constitutes a vehicle body rigid member having a closed cross-sectional space 71s extending in the vehicle width direction by joining a rear end cross 71 having a hat-shaped cross section to the inner surface on the cargo compartment 3 side at the upper end of the rear end panel 72. ing.

As shown in FIGS. 1 to 7, the rear end portion of the side sill 46 and the rear end of the roof side rail 91 (both ends of the rear header 92 in the vehicle width direction) on both side portions of the vehicle body rear portion 1R. A side pillar 42 extending downward and forward from the rear end of the roof side rail 91 is provided between the side pillar 42 and a portion corresponding to the coupling portion. The side pillar 42 connects the rear end of the side sill 46 and the rear end of the roof side rail 91. The side pillar 42 configured in this manner is in a mode of separating from the damper support portion 54 as it goes downward.

Further, as shown in FIGS. 1 to 3, in the both side portions of the rear part 1R of the vehicle body, the intermediate portion in the front-rear direction of the side sill 46 (the front side of the front cross member 24 in the side sill 46), and the roof side rail described above. A center pillar 43 extending in the vertical direction of the vehicle is provided between the front and rear intermediate portion 91 (the portion corresponding to the roof cross member 93 in the front and rear direction of the roof side rail 91). The intermediate part of the side sill 46 and the intermediate part of the roof side rail 91 are connected.

Although not shown in the drawings, the center pillar 43 is a vehicle body rigid member that forms a closed cross-sectional space by joining and fixing a center pillar inner and a center pillar outer substantially over the entire vehicle in the vertical direction.

Center pillars

43, 43 on both side portions of the vehicle body are coupled to outer ends corresponding to the left and right sides of the front cross member 24, which will be described later, in the vehicle width direction.

Furthermore, as shown in FIG. 1, the front end of the side sill 46 and the front end of the roof side rail 91 (both ends of the front header 94 in the vehicle width direction) on both side portions of the vehicle body front portion 1F. A front pillar 44 and a hinge pillar 45 extending in the vehicle vertical direction are provided between the front pillar 44 and the hinge pillar 45 extending between the front end of the side sill 46 and the roof side rail 91. The front end is connected.

Specifically, as shown in FIGS. 1 and 8, the front body 1 </ b> F of the present embodiment is provided with a front pillar 44 that extends from the front lower portion toward the rear upper portion on both sides in the vehicle width direction. . Lower portions of these front pillars 44 are connected to hinge pillars 45 extending in the vertical direction.

The front pillar 44 joins the front pillar inner and the front pillar outer. The hinge pillar 45 joins the hinge pillar inner and the hinge pillar outer. Both the front pillar 44 and the hinge pillar 45 are vehicle body rigid members having a closed cross-sectional space.

As described above, a pair of left and right roof side rails 91 extending in the vehicle front-rear direction are continuously formed at the rear ends of the left and right front pillars 44 described above. As described above, the front header 94 (see FIG. 1) extending in the vehicle width direction is installed between the upper ends of the left and right front pillars 44. Between the rear ends of the left and right roof side rails 91, a rear header 92 extending in the vehicle width direction is installed.

In the vehicle body front portion 1F of the vehicle body 1 having the side portion as described above, the center side 43, the front half portion of the side sill 46, the hinge pillar 45, the front pillar 44, and the front half portion of the roof side rail 91 are not shown. A front side door opening Esf to which the door is mounted is configured. In the vehicle body rear portion 1R, the center pillar 43, the rear half of the side sill 46, the side pillar 42, and the rear half of the roof side rail 91 constitute a rear side door opening Esr to which a rear side door (not shown) is mounted.

That is, the front side door opening Esf is formed in front of the center pillar 43, and the rear side door opening Esr is formed in the rear of the center pillar 43. The side pillar 42 is disposed along the rear end of the rear side door opening Esr.

As described above, the front side door opening Esf in front of the vehicle from the center pillar 43 and the rear side door opening Esr in the rear of the vehicle from the center pillar 43 are configured. 45, the front pillar 44, the roof side rail 91, and the side pillar 42 constitute a side door opening Es, and the side pillar 42 is disposed along the rear end of the side door opening Es. As described above, as shown in FIG. 1, the vehicle body structure of the vehicle is formed by the side sill 46, the hinge pillar 45, the front pillar 44, the roof side rail 91, and the side pillar 42 that form the side door opening Es at both side portions of the vehicle body. A substantially annular body skeleton in the longitudinal direction of the vehicle body (hereinafter referred to as a longitudinal annular body skeleton SLC) is formed on each of the left and right sides of the vehicle body.

Further, in the rear part 1R of the vehicle body, the side panel 51 is located between the side pillar 42 and the rear pillar 41, that is, on the outer side in the vehicle width direction of the cargo compartment 3, as shown in FIGS. The rear wheel house 52 is provided on both sides in the vehicle width direction of the cargo compartment floor portion 31, and a wheel house reinforcement 53 extending in the vertical direction is provided on the front side of the rear wheel house 52. A damper support portion 54 that supports the upper portion of the suspension damper 55 is provided at the upper portion of the rear wheel house 52.

As shown in FIGS. 12 and 14, the side panel 51 includes a side panel outer 51 a on the vehicle outer side and a side panel inner 51 b on the cargo compartment 3 side. And the side pillar 42 is comprised by the side pillar reinforcement 42a attached to the side panel inner 51b in the closed cross-section space 51s formed between the side panel outer 51a and the side panel inner 51b.

More specifically, as shown in FIGS. 11 and 12, a side pillar reinforcement 42a having a substantially hat-shaped cross section in plan view is attached to the inner surface of the side panel inner 51b on the closed sectional space 51s side, and the side panel inner 51b and The side pillar reinforcement 42a constitutes a side pillar 42 as a vehicle body rigid member having a closed sectional space 42s extending in the vehicle vertical direction.

As shown in FIG. 13, the rear wheel house 52 includes a rear wheel house outer panel 52 a and a rear wheel house that are divided into two forks in the vehicle width direction from the lower end of the side panel inner 51 b constituting the side panel 51 in a cross section when viewed from the front of the vehicle. The inner panel 52b is configured to form a space (hereinafter referred to as a rear wheel house space H) in which tires (not shown) are arranged outside the vehicle.

The rear wheel house outer panel 52a is formed so as to expand downward and outward in the vehicle width direction from the lower end of the side panel inner 51b, and is connected to the lower end of the side panel outer 51a at the outermost lower end position. Therefore, the rear wheel house outer panel 52a forms a bottom surface portion of a closed cross-sectional space 51s formed between the side panel outer 51a and the side panel inner 51b. Further, a lower end of a side pillar reinforcement 42a constituting the side pillar 42 is connected to a middle position of the rear wheel house outer panel 52a.

The rear wheel house inner panel 52b is formed so as to extend downward from the lower end of the side panel inner 51b and toward the inner side of the vehicle width, that is, toward the cargo compartment 3 side, and the vehicle width of the cargo compartment floor portion 31 at the innermost lower end position. It is connected with the direction outside. Therefore, the rear wheel house inner panel 52b has a substantially semicircular dome shape protruding from the side panel inner 51b toward the cargo compartment 3 side.

The upper portion of the rear wheel house inner panel 52b thus configured, that is, the portion that supports the suspension damper 55 is thicker than the other portions (hereinafter referred to as the upper thick component portion 56), as shown in FIG. And constitutes a mechanical structural member.

As described above, the upper thick component 56 configured to be thicker than the other portions fixes and supports the upper end of the suspension damper 55 (FIG. 2) disposed in the rear wheel house space H outside the vehicle. Part 54 is configured.

As shown in FIG. 7, the wheel house reinforcement 53 is inclined forward from the upper part of the rear wheel house inner panel 52b toward the lower part in front of the center of the rear wheel house inner panel 52b in the vehicle longitudinal direction. The rear wheel house inner panel 52b is disposed along the surface on the cargo compartment 3 side.

Further, as shown in FIG. 12, the wheel house reinforcement 53 has a substantially hat-shaped cross section in plan view, and is attached to the inner surface of the rear wheel house inner panel 52b on the cargo compartment 3 side, so that the rear wheel house inner panel 52b. The wheel house reinforcement 53 constitutes a vehicle body rigid member having a closed sectional space 53s extending in the vehicle vertical direction.

The upper part of the wheel house reinforcement 53 configured in this way is fixed to the upper thick component part 56 in the rear wheel house inner panel 52b, and the front part of the upper end is the end surface of the DD line in FIG. As shown in FIG. 12, it is connected to the upper rear end of the side pillar 42. Moreover, the lower end of the wheel house reinforcement 53 is connected with the vehicle width direction outer side of the floor rear side cross member 23, as shown in FIG.

A connecting member 33 that connects the front end of the upper portion of the side pillar 42 and the front portion of the damper support portion 54 that is near the upper end of the wheel house reinforcement 53 is provided in a substantially oblique direction toward the front and upward of the vehicle body. ing.

The connecting member 33 is a striker mounting bracket for mounting a striker 33a into which a latch of a seat back constituting a rear seat (not shown) disposed in the floor panel 21 in the passenger space of the passenger compartment 2 is fitted. As shown in FIG. 15, which is an end view taken along the line GG in FIG. 4, the connecting member 33 has a convex portion whose outer side in the width direction swells toward the passenger compartment 2, and has a high cross-sectional rigidity. It is a structural member made.

As shown in FIG. 7, the rear end of the connecting member 33 is formed wide so as to be connected to the convex portion of the wheel house reinforcement 53 having a hat-shaped cross section, and is connected to the front end of the upper side of the side pillar 42. The connecting member 33 is formed so as to become gradually narrower toward the front end. It is noted that the connection between the front end of the connecting member 33 and the front end of the upper side of the side pillar 42 and the upper thick wall that becomes the front portion of the damper support portion 54 in the vicinity of the rear end of the connecting member 33 and the upper end of the wheel house reinforcement 53. The connection with the component 56 is realized by a fastening bolt (not shown).

Further, as shown in FIG. 13, the connection between the front end of the connecting member 33 and the front end of the upper side of the side pillar 42 is arranged in a closed section space 51s formed between the side panel outer 51a and the side panel inner 51b. The front end of the upper side pillar reinforcement 42a and the front end of the connecting member 33 are connected via a side panel inner 51b. Further, the wheel house reinforcement side portion of the connecting member 33 is connected to the front portion of the damper support portion.

Further, on the side of the damper support portion 54 in the side panel 51, as shown in FIG. 4, a reinforcing plate 34 that connects the rear pillar 41 and the rear end of the upper end portion of the wheel house reinforcement 53, a reinforcing plate 34, A mounting bracket 35 that is mounted across the side pillar 42 is provided.

The reinforcing plate 34 is a mounting plate for mounting a seatbelt retractor for a rear seat via a mounting bracket 35, and is a strip-shaped plate member having a predetermined width and a predetermined thickness, and is arranged so as to face the upper side and the rear side of the vehicle. Has been.

As shown in FIG. 12, the reinforcing plate 34 is provided along the side panel inner 51b in a closed cross-sectional space 51s constituted by the side panel outer 51a and the side panel inner 51b.

As shown in FIG. 4, the mounting bracket 35 that is mounted across the reinforcing plate 34 and the side pillar 42 includes a front end mounting portion 35 a that attaches the front end side to the side pillar 42, and a rear end side that extends through the side panel inner 51 b. 34, the rear end mounting portion 35b is bent between the front end mounting portion 35a and the rear end mounting portion 35b with respect to the front end mounting portion 35a and the rear end mounting portion 35b, and the seat belt retractor for the rear seat is mounted in a predetermined direction. The attachment main body 35c is attached.

Further, the upper rear end of the side pillar 42 and the front end attaching portion 35a are located at the upper rear of the side pillar reinforcement 42a disposed in the closed cross-sectional space 51s formed between the side panel outer 51a and the side panel inner 51b. The end and the front end mounting portion 35a are connected to each other by a fastening bolt (not shown) via a side panel inner 51b.

Further, the upper rear end and the rear end mounting portion 35b of the side pillar 42 are the upper part of the side pillar reinforcement 42a disposed in the closed cross-sectional space 51s formed between the side panel outer 51a and the side panel inner 51b. The rear end and the rear end mounting portion 35b are connected to each other by a fastening bolt (not shown) via a side panel inner 51b.

As shown in FIGS. 4 and 16, the upper thick component portion 56 constituting the damper support portion 54 at the upper portion of the rear wheel house 52 and both ends in the vehicle width direction of the rear end cross 71 constituting the rear end 7 (the rear pillar 41 and the rear end). A connecting gusset 36 for connecting the connecting portion with the cross 71 in the vehicle front-rear direction is provided.

As shown in FIG. 4, the front end portion of the connecting gusset 36 covers the upper thick component portion 56 at the upper portion of the rear wheel house inner panel 52 b bulging toward the cargo compartment 3 from the rear side of the vehicle and the inner side in the vehicle width direction. So that it is fixed. The rear end portion of the connecting gusset 36 has a substantially inverted L-shaped cross section when viewed from the front of the vehicle so that the connecting gusset 36 can be fixed to the connecting portion between the rear pillar 41 and the rear end cross 71 from the front of the vehicle and from the inside in the vehicle width direction. ing.

As described above, the rear end cross 71 is connected to the rear lower end of the rear pillar 41, and includes a rear end cross 71 extending in the vehicle width direction, a pair of left and right connecting gussets 36, and a pair of left and right damper support portions 54. The upper thick-wall component 56 of the house 52, the pair of left and right wheel house reinforcements 53, and the floor rear cross member 23 extending in the vehicle width direction are substantially annular as a vehicle body structure in the vehicle front view and vehicle body plan view. A substantially annular vehicle body skeleton in the vehicle width direction (hereinafter referred to as a first rear vehicle width direction annular vehicle body skeleton RWC1) is configured (see FIG. 1).

Further, by using the connecting member 33, the reinforcing plate 34, and the mounting bracket 35 configured as described above, a substantially annular vehicle body skeleton in the vehicle width direction (hereinafter referred to as a second rear vehicle width direction annular vehicle body skeleton RWC2). (See FIG. 1).

Specifically, the rear header 92 in the vehicle width direction and the pair of left and right side pillars 42 constitute a U-shaped body skeleton that opens downward in front of the vehicle body. Also, the rear cross member 23 in the vehicle width direction and the wheel house reinforcements 53 on the left and right sides of the vehicle body constitute a U-shaped vehicle body skeleton that opens upward in front of the vehicle body.

Note that a U-shaped body skeleton, which is formed of a wheel house reinforcement 53 disposed in front of the rear wheel house 52 and opens upward in front of the vehicle body, is disposed along the rear end of the side door opening Es. The U-shaped vehicle body skeleton that is formed by the side pillars 42 and that opens downward in a front view of the vehicle body is disposed behind the vehicle body.

On the other hand, the front end of the upper part of the side pillar 42 constituting the U-shaped body frame that opens downward in the front view of the vehicle body and the wheel house reinforcement that forms the U-shaped body frame that opens upward in the front direction of the vehicle body The upper thick constituent portion 56 that is the front portion of the damper support portion 54, which is near the upper end of 53, is connected by the connecting member 33.

The rear pillar 41 is connected to a rear header 92 that forms a U-shaped body frame that opens downward when viewed from the front of the vehicle body, and a wheel house reinforcement 53 that forms a U-shaped body frame that opens upward when viewed from the front of the vehicle. Are connected to the side pillars 42 and the reinforcing plate 34 constituting the U-shaped vehicle body skeleton that opens downward in a front view of the vehicle body by straddling the mounting bracket 35. Yes.

Therefore, a U-shaped body skeleton that is formed by side pillars 42 disposed along the rear end of the side door opening Es and that opens downward in a front view of the vehicle body, and a rear that is disposed rearward of the vehicle body from the vehicle body skeleton. The U-shaped vehicle body skeleton, which is composed of a wheel house reinforcement 53 disposed in front of the wheel house 52 and opens upward in front of the vehicle body, has a front end at the top of the side pillar 42 and the wheel house reinforcement 53. The upper thick component portion 56 that is the front portion of the damper support portion 54 near the upper end is connected to the connecting member 33, the reinforcing plate 34 that is connected to the rear end of the upper end portion of the wheel house reinforcement 53, and the front view of the vehicle body It is connected via a mounting bracket 35 that is mounted across a side pillar 42 that constitutes a U-shaped body frame that opens downward. That.

Furthermore, a U-shaped body skeleton that is formed by a side pillar 42 disposed along the rear end of the side door opening Es and that opens downward in a front view of the vehicle body, and is disposed at the rear of the vehicle body from the vehicle body skeleton. The U-shaped body skeleton, which is composed of a wheel house reinforcement 53 disposed in front of the rear wheel house 52 and opens upward in front of the vehicle body, is a U-shaped body skeleton that opens downward in front of the vehicle body. It connects via the reinforcement plate 34 which connects the rear pillar 41 connected with the rear header 92 which comprises, and the rear end of the upper end part of the wheel house reinforcement 53 which comprises the U-shaped vehicle body frame | skeleton opened upwards in a vehicle body front view. Has been.

As described above, the vehicle body is viewed downward from the front of the vehicle body constituted by the side pillar 42 disposed along the rear end of the side door opening Es via the connecting member 33 and the mounting bracket 35, the rear pillar 41 and the reinforcing plate 34. A U-shaped body frame that opens and a wheel house reinforcement 53 that is disposed in front of the rear wheel house 52 that is disposed in the rear of the vehicle body from the body frame. By connecting the character-shaped vehicle body skeleton, the rear header 92 in the vehicle width direction, the side pillars 42 on the left and right of the vehicle body, the connecting member 33 and the mounting bracket 35, the wheel house reinforcement 53, and the floor in the vehicle width direction. The rear cross member 23 constitutes a second rear vehicle width direction annular vehicle body frame RWC2 in the vehicle width direction.

Further, the second rear vehicle width direction annular vehicle body frame RWC2 includes a reinforcing plate 34 connected to the upper end of the wheel house reinforcement 53 and the rear end of the roof side rail 91 in addition to the substantially annular vehicle body frame described above. A substantially annular vehicle body frame passing through the rear pillar 41 extending in the direction is also provided.

Note that the second rear vehicle width direction annular vehicle body frame RWC2 configured in this manner uses the side pillars 42 constituting the front and rear direction annular vehicle body frame SLC along the side door opening Es, so the second rear vehicle width direction The state in which the annular body skeleton RWC2 and the longitudinal annular body skeleton SLC are mechanically coupled, that is, the force applied to at least one of the longitudinal annular body skeleton SLC and the second rear vehicle width direction annular body skeleton RWC2 is the other. It is configured to be able to communicate with.

Further, as shown in FIG. 8, the vehicle body front portion 1 </ b> F rises from the front end of the floor panel 21 and extends over substantially the entire width in the vehicle width direction to partition the engine room 6 and the vehicle compartment 2. Above the dash panel 61, a cowl panel 62a that extends in the vehicle width direction and supports the lower end of the front window over the entire width is disposed. The cowl panel 62a forms a cowl cross 62 having a closed cross section with a cowl cross member 62b in the vehicle width direction. Note that both sides of the cowl cross 62 in the vehicle width direction are connected to a connecting portion between the front pillar 44 and the hinge pillar 45 via a side panel.

A pair of left and right front side frames 63 extending in the vehicle front-rear direction are provided on the side of the engine room 6 at the front portion of the dash panel 61, and are spaced outward and upward in the vehicle width direction from the front side frame 63. A pair of left and right apron reinforcements 64 extending from the upper end of the hinge pillar 45 to the front of the vehicle is provided at the position. In addition, suspension towers 65 having front damper support portions 65a are disposed on both sides of the engine room 6 in the vehicle width direction.

A front sub-frame 66 extending in the width direction in front of the dash panel 61 is provided at the lower part of the pair of left and right front side frames 63. The front sub-frame 66 is connected at the rear end portion below the rear end of the front side frame 63 and through a suspension cross support portion 67 that is inclined forward and outward in the vehicle width direction in front of the above-described cross portion. It is connected.

A suspension tower reinforcement member 68 having a closed cross section extending in the vehicle body vertical direction is provided on the inner side surface in the vehicle width direction of the suspension tower 65 formed between the front side frame 63 and the apron reinforcement 64. Yes.

By the pair of left and right front sub-frames 66, the suspension cross support portion 67, the suspension tower reinforcing member 68 and the cowl cross 62 in the vehicle width direction thus configured, a substantially annular vehicle body skeleton in the vehicle width direction (in the vicinity of the front damper support portion 65a) Hereinafter, a front vehicle width direction annular vehicle body frame FWC) is configured (see FIG. 1).

Both sides in the vehicle width direction of the cowl cross 62 constituting the front vehicle width direction annular vehicle body frame FWC are connected to the front pillar 44 and the hinge pillar 45 constituting the front and rear direction annular vehicle body frame SLC along the side door opening Es via the side panels. Since it is connected to the connecting portion, the front vehicle width direction annular vehicle body skeleton FWC and the front-rear direction annular vehicle body skeleton SLC are mechanically connected. That is, the force applied to at least one of the front-rear direction annular body skeleton SLC and the front vehicle width direction annular body skeleton FWC can be transmitted to the other.

As described above, the vehicle is provided at the rear body 1R of the vehicle body from the vicinity of the pair of left and right damper support portions 54 that are provided in the rear wheel house 52 disposed behind the vehicle side door opening Es and supports the suspension damper 55. A rear vehicle body structure including a first rear vehicle width direction annular vehicle body frame RWC1 across a rear end 7 extending in the width direction, and a pair of left and right hinge pillars 45 disposed on a front body portion 1F, and upper ends of the hinge pillars 45 A pair of left and right front pillars 44 extending from the rear to the vehicle, a pair of left and right roof side rails 91, a pair of left and right side pillars 42 disposed along the rear end of the side door opening Es, and a side pillar 42 And a pair of left and right side sills 46 connecting the lower end of the hinge pillar 45 in the vehicle front-rear direction. The first rear vehicle width direction annular vehicle body frame RWC1 has a pair of left and right rear pillars 41 extending rearward and downward from the rear ends of the pair of left and right roof side rails 91. A rear end cross 71 connected in the width direction, a pair of left and right connecting gussets 36 connecting the rear end cross 71 and the rear wheel house 52 in the vehicle front-rear direction, and a pair of left and right rear wheels provided with the damper support portion 54 at the top. A pair of left and right wheel house reinforcements disposed along the house 52 and the rear wheel house 52 and positioned at the front of the vehicle with respect to the damper support portion 54 and having an upper front portion joined to a rear end of the side pillar 42. Floor 53 that connects the lower end of the reinforcement 53 and the wheel house reinforcement 53 in the vehicle width direction. And a bus 23, together with the striker 33a is attached, and a connecting member 33 for connecting the front end and the wheel house reinforcement 53 of the side pillars 42. Thereby, the support rigidity of a suspension can be improved in the whole vehicle body.

More specifically, a pair of left and right hinge pillars 45 disposed in the vehicle body front portion 1F, a pair of left and right front pillars 44 extending rearward from the upper end of the hinge pillar 45, a pair of left and right roof side rails 91, and a side A pair of left and right side pillars 42 disposed along the rear end of the door opening Es, and a pair of left and right side sills 46 that connect the lower end of the side pillar 42 and the lower end of the hinge pillar 45 in the vehicle front-rear direction. A rear end cross 71 that constitutes a substantially annular front and rear annular body skeleton SLC and that connects the lower ends of a pair of left and right rear pillars 41 extending rearward and downward from the rear ends of the pair of left and right roof side rails 91 in the vehicle width direction; The pair of left and right connecting gussets 36 that connect the rear end cross 71 and the rear wheel house 52 in the vehicle front-rear direction. The damper support portion 54 is disposed along the rear wheel house 52 and a pair of left and right rear wheel houses 52 provided at the upper portion, and is located in front of the damper support portion 54 and has an upper end front portion. A pair of left and right wheel house reinforcements 53 joined to the rear ends of the side pillars 42 and a floor rear side cross member 23 that connects the lower ends of the wheel house reinforcements 53 in the vehicle width direction in the first rear vehicle width direction. An annular vehicle body skeleton RWC1 is formed.

In addition, the wheel constituting the front end of the side pillar 42 constituting the substantially annular longitudinal longitudinal body skeleton SLC in the longitudinal direction of the vehicle and the first rear vehicle width direction annular body skeleton RWC1 that is substantially annular in the vehicle width direction. The house reinforcement 53 is connected by a connecting member 33 to which a striker 33a is attached. As a result, a vehicle body skeleton that is substantially annular in multiple directions with respect to the vehicle is formed, and the suspension support rigidity can be improved throughout the vehicle body. Therefore, the force input by the front suspension and the rear suspension can be transmitted without delay, and the ride comfort of the occupant can be improved.

In addition, by using the member for attaching the striker 33a as the connecting member 33 for connecting the substantially annular vehicle body skeletons, the increase in the number of parts can be suppressed and the increase in the weight can be prevented.

Moreover, since the joining location of the side pillar 42 and the wheel house reinforcement 53 can be reinforced by the connecting member 33, the side pillar 42 and the wheel house reinforcement 53 can be connected with higher rigidity. .

Furthermore, even when the lower end of the side pillar 42 and the damper support part 54 are separated from each other, while ensuring both the rigidity of the rear edge of the side door opening Es and the support rigidity of the damper support part 54, The side pillar 42 and the wheel house reinforcement 53 can be connected.

Further, since the wheel house reinforcement 53 side portion of the connecting member 33 is connected to the front portion of the damper support portion 54, the first rear vehicle width direction annular vehicle body frame RWC1 that is substantially annular in the vehicle width direction is configured. The damper support portion 54 directly connects the pair of left and right rear wheel houses 52 provided on the upper portion and the connecting member 33. As a result, it is possible to improve the connection rigidity between the substantially annular front and rear annular vehicle body frame SLC in the vehicle longitudinal direction and the first rear vehicle width direction annular vehicle body framework RWC1 that is substantially annular in the vehicle width direction.

Further, even when the distance between the damper support portion 54 and the side pillar reinforcement 42a is large, the damper is provided by the connecting member 33 that connects the wheel house reinforcement 53 and the front end of the side pillar reinforcement 42a. While securing the rigidity of the support portion 54, a substantially annular longitudinal longitudinal body frame SLC and the vehicle width in the longitudinal direction of the vehicle body are utilized by using the connecting member 33 for attaching a part of the wheel house reinforcement 53 and the striker 33a. A first rear vehicle width direction annular vehicle body frame RWC1 that is substantially annular in the direction can be connected.

Further, the connecting member 33 is constituted by a striker mounting bracket for mounting a striker 33a to which a seat back latch is fitted. As a result, the striker mounting bracket to which the seat back latch is fitted functions as the connecting member 33, and the striker mounting bracket is used to form a substantially annular front and rear annular body frame SLC in the vehicle longitudinal direction and a substantially annular shape in the vehicle width direction. It is possible to improve the connection rigidity with the first rear vehicle width direction annular vehicle body frame RWC1.

Further, a reinforcing plate 34 to which a seat belt retractor is attached is provided on the side of the damper support portion 54 in the side panel inner 51b that constitutes the side pillar 42 with the side pillar reinforcement 42a, and the reinforcing plate 34 is provided on the roof side rail. Since the rear pillar 41 extending rearward from the rear end of 91 and the rear end of the upper end of the wheel house reinforcement 53 are connected, a reinforcing plate 34 provided on the side panel inner 51b on the side of the damper support portion 54, The upper end of the wheel house reinforcement 53 is connected to the rear end, and the upper end of the reinforcing plate 34 is connected to the rear pillar 41. As a result, the reinforcing plate 34 to which the seat belt retractor is attached is used to form a substantially annular longitudinal body frame SLC in the longitudinal direction of the vehicle body and a first rear vehicle width direction annular body frame RWC1 that is substantially annular in the vehicle width direction. Connection rigidity can be improved.

Also, the reinforcing plate 34 is composed of a mounting plate for attaching the seat belt retractor. As a result, the mounting plate of the seat belt retractor functions as the reinforcing plate 34, and the first rear vehicle having a substantially annular shape in the vehicle front-rear direction and a substantially annular shape in the vehicle width direction is formed in the vehicle longitudinal direction using the attachment plate. The connection rigidity with the width direction annular vehicle body skeleton RWC1 can be improved.

Also, a mounting bracket 35 is provided to be mounted across the mounting plate and the side pillar reinforcement 42a. Thus, using the mounting bracket 35 to which the seat belt retractor is attached, a substantially annular front and rear direction annular body skeleton SLC in the longitudinal direction of the vehicle body and a first rear vehicle width direction annular body skeleton RWC1 that is substantially annular in the vehicle width direction. Connection rigidity can be improved.

In addition, the damper support portion 54 extends to the wheel house reinforcement 53 and is composed of an upper thick component portion 56 that is thicker than the others, so that the first rear vehicle width direction is substantially annular in the vehicle width direction. Since the connecting gusset 36 constituting the annular vehicle body frame RWC1 connects the rear end cross 71 and the upper thick component 56 in the rear wheel house 52 in the vehicle front-rear direction, a vehicle body frame with higher rigidity can be formed.

Further, even when the damper support portion 54 provided in the rear wheel house 52 is separated from the wheel house reinforcement 53, it is thicker than the others and extends to the wheel house reinforcement 53 so as to have an upper thickness. The meat component 56 can suppress a decrease in support rigidity.

Further, the left and right rear suspension damper support portions 54 include the roof side rail 91, the side pillar reinforcement 42a disposed at the rear end of the side door opening Es, the wheel house reinforcement 53, and the floor rear cross member 23. The vehicle body width formed from the vicinity of the damper support portion 54 of the left and right rear suspensions to the rear end 7 is formed in the vicinity of the vehicle body. A first rear vehicle width direction annular body skeleton RWC1 that is substantially annular in the direction, and a second rear vehicle width direction annular body skeleton RWC2 that is substantially annular in the vehicle width direction around the damper support portions 54 of the left and right rear suspensions. Can be connected using the side pillar reinforcement 42a. Accordingly, it is possible to further improve the support rigidity of the damper support portion 54 of the rear suspension in the rear body 1R of the vehicle body, and to improve the support rigidity of the suspension in the entire vehicle body.

As described above, in the correspondence between the configuration of the technology according to the present disclosure and the above-described embodiment, the vehicle body skeleton that is substantially annular in the vehicle width direction corresponds to the first rear vehicle width direction annular vehicle body skeleton RWC1, and similarly, The vehicle body skeleton that is substantially annular in the vehicle front-rear direction corresponds to the front-rear annular body skeleton SLC, the floor cross member corresponds to the floor rear cross member 23, the vehicle part corresponds to the striker 33a, and the vehicle part Corresponding to the seat belt retractor, the thick part corresponds to the upper thick constituent part 56, and the vehicle body skeleton that is substantially annular in the vehicle width direction in the vicinity of the damper support part is the second rear vehicle width direction annular vehicle body skeleton RWC2. However, the technology disclosed herein is not limited to the configuration of the above-described embodiment, and many embodiments can be obtained.

For example, in the above description, the vehicle body including the center pillar 43 has been described. However, a two-door type vehicle body that does not include the center pillar 43 may be used.

1R: Vehicle rear 1F ... Vehicle front 7: Rear end 23 ... Floor rear cross member 33 ... Connecting member 35 ... Mounting bracket 41 ... Rear pillar 42 ... Side pillar 42a ... Side pillar reinforcement 44 ... Front pillar 45 ... Hinge pillar 46 ... Side sill 51b ... Side panel inner 52 ... Rear wheel house 53 ... Wheel house reinforcement 54 ... Damper support 55 ... Suspension damper 56 ... Upper thick component 71 ... Rear end cross 91 ... Roof side rail 92 ... Rear header Es ... Side door opening RWC1... First rear vehicle width direction annular vehicle body skeleton (second vehicle body skeleton)
RWC2 ... second rear vehicle width direction annular body skeleton (third body skeleton)
SLC: Front and rear ring body skeleton (first body skeleton)

Claims

A vehicle body structure,
A first vehicle body skeleton that is substantially annular in the vehicle front-rear direction around the side door opening periphery of the vehicle;
A second vehicle body skeleton disposed behind the vehicle side door opening and substantially annular in the vehicle width direction;
The first vehicle body skeleton is
A pair of left and right hinge pillars disposed at the front of the vehicle;
A pair of left and right front pillars extending rearward from the upper end of the hinge pillar;
A pair of left and right roof side rails extending rearward from the upper end of the front pillar;
A pair of left and right side pillars disposed along the rear end of the side door opening;
A pair of left and right side sills connecting the lower end of the side pillar and the lower end of the hinge pillar in the vehicle front-rear direction;
The second vehicle body skeleton is
A rear end cross that connects lower ends of a pair of left and right rear pillars extending rearward and downward from a rear end of the pair of left and right roof side rails in the vehicle width direction;
A pair of left and right rear wheel houses provided with a damper support portion for supporting the suspension damper at the top;
A pair of left and right connecting gussets for connecting the rear end cross and the upper part of the rear wheel house in the vehicle front-rear direction;
A pair of left and right rear wheel houses in which the damper support portion is provided at the top;
A pair of left and right wheel house reinforcements disposed along the rear wheel house and positioned at the front of the vehicle relative to the damper support portion, with an upper end front portion joined to a rear end of the side pillar;
A floor cross member for connecting a lower end of the wheel house reinforcement in the vehicle width direction;
A vehicle body structure characterized by comprising a connecting member to which vehicle parts are attached and connecting a front end of the side pillar and the wheel house reinforcement.
The vehicle body structure according to claim 1,
A vehicle body structure for a vehicle, wherein a portion on the wheel house reinforcement side of the connecting member is connected to a front portion of the damper support portion.
The vehicle body structure according to claim 1 or 2,
The vehicle body structure for a vehicle, wherein the connecting member is configured by a striker mounting bracket for mounting a striker to which a seat back latch is fitted.
The vehicle body structure according to any one of claims 1 to 3,
On the side of the damper support portion in the side panel inner constituting the side pillar with the side pillar reinforcement, a reinforcing plate to which vehicle parts are attached is provided,
The vehicle body structure for a vehicle, wherein the reinforcing plate connects a rear pillar extending rearward from a rear end of the roof side rail and an upper end rear end of the wheel house reinforcement.
The vehicle body structure according to claim 4,
The vehicle body structure of a vehicle, wherein the reinforcing plate is configured by a mounting plate to which a seat belt retractor is attached.
The vehicle body structure according to claim 5,
A vehicle body structure for a vehicle, comprising a mounting bracket that is mounted across the mounting plate and the side pillar reinforcement.
The vehicle body structure according to any one of claims 1 to 6,
The vehicle body structure of the vehicle, wherein the damper support portion is formed of a thick portion that extends to the wheel house reinforcement and is thicker than the others.
The vehicle body structure according to any one of claims 1 to 7,
The rear header, side pillar reinforcement arranged at the rear end of the side door opening, the wheel house reinforcement, and the floor cross member are substantially annular in the vehicle width direction in the vicinity of the damper support portions of the left and right rear suspensions. A vehicle body structure characterized in that a third vehicle body skeleton is formed.